---_____must I take this medicine every day?  --- Three times a day.
#24416
A
How long
B
How often
C
How far
D
How
推荐题目
--Is this the way to High Tower Museum? -- _________ ! 
#2718
A
That’s all right
B
That’s Ok
C
There you go
D
You bet
 ---Would you like another cake? It tastes so delicious. ---_____. I’m full.
#21858
A
Yes, please
B
Yes, I would
C
No, thanks
D
I’d love to.